( G I K I , e n v G I C ) 2 + ( G I I K I I , e n v G I I C ) 2 = 1 {\displaystyle \left({\frac {G_{I}}{K_{I,env}G_{IC}}}\right)^{2}+\left({\frac {G_{II}}{K_{II,env}G_{IIC}}}\right)^{2}=1}
